Leeds (9) 16
Try: Mathie Con: Thomas Pens: Thomas 3
Gloucester (15) 30
Tries: Vainikolo, Voyce, Wood, Molenaar Con: Burns, Robinson Pens: Burns, Robinson
Tom Voyce dives over to score Gloucester's second try
Gloucester ran in four tries to claim a bonus-point win over Leeds and climb to the top of LV= Cup Pool Three.
Tries from Lesley Vainikolo and Tom Voyce helped the visitors to a 15-9 half-time lead, with Ceiron Thomas kicking three penalties for Leeds.
Freddie Burns' penalty extended the Gloucester advantage before Scott Mathie's fine score cut the arrears.
But Nick Wood and Tim Molenaar crossed to seal the win for Gloucester and put them on the brink of the semi-finals.
Leeds Carnegie: Thomas; Blackett, Fa'afili, S. Barrow Stephenson; MacKay, Fury; MacDonald, Nilsen, Swainston, T. Denton, Myall, Oakley, Rowan, To'oala, Craig.
Replacements: Tincknell for Blackett (64), Hinton for MacKay (64), Mathie for Fury (52), Hardy for MacDonald (61), Freer for Nilsen (61), Denman for Swainston (61), Craig for To'oala (40), Stedman for Craig (61).
Gloucester: Sharples; Voyce, May, Molenaar, Vainikolo; Burns, Lewis; Thomas, Azam, Harden, James, Hamilton, Strokosch, Qera, Cox.
Replacements: Taylor for Vainikolo (66), Robinson for Burns (34), Pasqualin for Lewis (64), Wood for Thomas (52), S. Lawson for Azam (52), Knight for Harden (64), Brown for Hamilton (58), Hazell for Qera (71).
Referee: Leighton Hodges (RFU).